Vault Sapphire 0% APR Card Review 2025: 17 mo 0% APR on Balance Transfers

Balance-transfer offers are getting longer in 2025, not shorter. Vault Sapphire's 17 mo 0% APR window is the longest we've tracked from a major issuer all quarter. There is, of course, a transfer fee. We do the math.

Who the card is for

Vault Sapphire's card targets the high-middle-income spender with a balance to transfer or steady spend in groceries and gas. The 17 mo 0% APR introductory window covers most balance-transfer scenarios. The ongoing rewards rate isn't industry-leading but isn't bad. If you're chasing maximum cash back, this isn't your top pick. If you're consolidating high-interest balances, it might be.

Balance-transfer math

Balance-transfer fee is typically 3% of the transferred amount with a minimum of $5. On a $10,000 transfer that's $300 upfront — roughly the equivalent of carrying the balance at 24% APR for 6 weeks. Compared to actually carrying that balance for the full 17 mo 0% APR window, the fee pays for itself many times over. Just make a plan to clear the balance before the intro period ends.

After the intro period

Once the 17 mo 0% APR window expires, the card's go-to APR runs in the 18–28 range based on the prime rate plus a margin set at account opening. Vault Sapphire discloses the exact margin in the Schumer box, which we always read first. If you can't clear the balance in time, the standard APR isn't competitive — you'll need a second balance transfer or a personal loan.

Where it falls short

Vault Sapphire's card lacks the lounge access of premium travel cards, the rotating 5% categories of the rotating cash-back cards, and the manufactured-spend opportunities the gaming-the-system community loves. It is, fundamentally, a balance-transfer card with a cash-back rebate bolted on. Buy it for what it is, not what it isn't.

Welcome bonus reality check

The welcome bonus on Vault Sapphire's card requires a minimum spend in the first 90 days. We do not recommend manufacturing spend you wouldn't otherwise make to hit a welcome bonus — that's a lifestyle change in disguise as a 'free' bonus. If you'd hit the spend threshold from normal household expenses anyway, the bonus is found money. Otherwise, skip.

What's next on the floor

Vault Sapphire's 17 mo · 0% APR stays on the credit card watchlist for the next two weeks. We'll re-pull rates Sunday night and post any meaningful change in the next Weekly Rate Floor. If you've used Vault Sapphire recently and your experience differed from what we wrote here, drop a comment below — we read everything that lands on the floor.